A protester shouts slogans during a march on a Hong Kong street Sunday, May 30, 2004. Hong Kong activists denounced China for detaining dissidents in the mainland ahead of the 15th anniversary of Beijing's deadly crackdown on the Tiananmen Square pro-democracy movement. (AP Photo/Vincent Yu) http://www.yonhapphoto.co.kr/preview_img/2004/05/30/_07/p2040530s1130609.jpg
Thousands of protesters raise placards: read "Reverse the verdict on June 4, and accountability for June 4 massacre" marching at a Hong Kong street Sunday, May 30, 2004. Hong Kong activists denounced China for detaining dissidents in the mainland ahead of the 15th anniversary of Beijing's deadly crackdown on the Tiananmen Square pro-democracy movement. (AP Photo/Vincent Yu) http://www.yonhapphoto.co.kr/preview_img/2004/05/30/_06/p2040530r4745550.jpg
Thousands of protesters raise placards read: " Reverse the verdilt on June 4, and accountability for June 4 massacre" marching at a Hong Kong downtown street Sunday, May 30, 2004. Hong Kong activists denounced China for detaining dissidents in the mainland ahead of the 15th anniversary of Beijing's deadly crackdown on the Tiananmen Square pro-democracy movement. (AP Photo/Vincent Yu) http://www.yonhapphoto.co.kr/preview_img/2004/05/30/_06/p2040530r3633343.jpg